Home / 8,526.72-12,786.02-2,680.14

Finding the Fourth Proportional to 8,526.72, 12,786.02 and 2,680.14

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Solution

The fourth proportional to 8,526.72, 12,786.02 and 2,680.14 is: 4,018.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,526.72 : 12,786.02 = 2,680.14 : x
  2. Step 2: Convert to fraction form
    8,526.72/12,786.02 = 2,680.14/x
  3. Step 3: Cross multiply
    8,526.72x = 12,786.02 × 2,680.14
  4. Step 4: Simplify right side
    8,526.72x = 34,268,323.64
  5. Step 5: Solve for x
    x = 34,268,323.64/8,526.72
  6. Step 6: Final answer
    x = 4,018.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.